Foods, Nutrients and Calories

Gravels and Substrates

CaribSea, Marine, CORALine, Volcano Beachdensity is equal to 865 kg/m³ or 54 lb/ft³ with specific gravity of 0.865 relative to pure water. Calculate how much of this gravel is required to attain a specific depth in a cylinder, quarter cylinder or in a rectangular shaped aquarium or pond

Materials and Substances

What is troy pound per US cup?

The troy pound per US cup density measurement unit is used to measure volume in US cups in order to estimate weight or mass in troy poundsread more...»

What is weight or mass measurement?

Scientifically, the weight of a body is the gravitational force acting on the body, and directed towards the center of gravity with magnitude of the force depending on the mass of the body.read more...»